System-Bath Approach
The HQS Noise App generates quantum programs for quantum simulations of system-bath type problems. It is ideal for hardware with one or several good qubits, identified as the system qubits, which have weak noise compared to the other qubits, used as bath qubits. This version supports the simulation of spin-boson and spin-fermion systems. The boson or fermion baths are represented by bath spins.
The system-bath section is organised as follows:
- System-Bath: an Overview
- Using the HQS Noise App for System-Bath Approaches
- System-Bath Functions
- The Spin-Boson Model
- Coarse Graining Details
We recommend reading through this section of the user documentation in the above order.